SOLUTION: How many ways can I choose a five-character password if the first three characters must be chosen from { A, B, C, D } without repetition, and the last two characters must be chosen
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Question 981371: How many ways can I choose a five-character password if the first three characters must be chosen from { A, B, C, D } without repetition, and the last two characters must be chosen from the digits 0-9, with repetition ? Answer by Fombitz(32388) (Show Source):
